Portable vapor generating methods

A method of canine training, comprising:

• heating, by a portable heating element of a portable canine training device containing a sample and sized to be handheld and carried on-the-move for training sessions with canines, the sample containing a trace of an explosive to generate a vapor of at least one ingredient of the trace;
• responsive to selection of a first heating profile via a controller of the portable canine training device, enabling a delay before the controller activates the portable heating element of the canine training device;
• responsive to selection of a second heating profile via the controller, directing, by the controller, the portable heating element to apply heat according to a solvent removal mode that vaporizes a solvent of the trace sufficient to disperse the solvent from the sample and leave the trace of the explosive in the sample, prior to the controller directing the portable heating element to generate the vapor of the at least one ingredient of the trace;
• and
• responsive to selection of a third heating profile, applying heat below 100 degrees Celsius (C) for five minutes to generate a first ingredient vapor at 100 degrees C. for training a canine to alert to a first ingredient corresponding to the first ingredient vapor, and applying heat above 120 degrees C. for ten minutes to generate a second ingredient vapor at 120 degrees C. for training the canine to alert to a second ingredient corresponding to the second ingredient vapor.